METHOD FOR THE AMBIENT-TEMPERATURE PRODUCTION OF MICRO- AND NANO-FIBRES OF LIGNIN AND OTHER RESINOUS COMPOUNDS

The invention relates to a method enabling the ambient-temperature spinning of ligning originating from Alcell- and Organosolv-type extraction processes. The invention also relates to a method and device for the ambient-temperature production of lignin fibres of micro- and nanometric diameter, by me...

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Bibliographische Detailangaben
Hauptverfasser:	CORDERO ALCANTARA TOMAS, GONZALEZ LOSCERTALES IGNACIO, LALLAVE RIVAS MANUEL, BARRERO RIPOLL ANTONIO, RODRIGUEZ MIRASOL JOSE
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NOZZLES PERFORMING OPERATIONS SPINNING SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TEXTILES TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method enabling the ambient-temperature spinning of ligning originating from Alcell- and Organosolv-type extraction processes. The invention also relates to a method and device for the ambient-temperature production of lignin fibres of micro- and nanometric diameter, by means of electrospinning and co-electrospinning. The resulting fibres can be single strand (electrospinning) and hollow or coaxial (co-electrospinning) fibres. The lignin fibres are transformed into carbon nanofibres after a suitable heat treatment. Procedimiento para la fabricación a temperatura ambiente de micro y nanofibras de lignina y otros compuestos resinosos. La presente invención describe un procedimiento que permite el hilado a temperatura ambiente de ligninas procedentes de procesos de extracción tipo Alcell y Organosolv. Se describe también el procedimiento y dispositivo para fabricar a temperatura ambiente, fibras de lignina, de diámetro micro y nanométrico, mediante electrospinning y co-electrospinning. Las fibras obtenidas pueden ser simples (electrospinning) y huecas o coaxiales (co-electrospinning). Las fibras de lignina se transforman en nanofibras de carbono después de un tratamiento térmico apropiado.